package com.example.replacebooks.common;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@Configuration
public class CorsConfig {
    @Bean
    public CorsFilter corsFilter(){
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*");  // 1. 设置访问 源地址
        corsConfiguration.addAllowedHeader("*");  // 2. 设置访问 源请求头
        corsConfiguration.addAllowedMethod("*");  // 3. 设置访问 源请求方法
        source.registerCorsConfiguration("/**",corsConfiguration);  // 4. 对接口配置跨域设置
        return new CorsFilter(source);
    }
}
